1、See where Saladin lived and check out the traces of Mongol arrowheads on the double walls.
看看薩拉丁住過的地方，再看看雙層的墻上蒙古弓箭頭所留下的痕跡。

2、Fire engines came on the double when the house was on fire.
房子著火后，救火車很快就來了。

3、Only men perform on the rings, on the double bars, on the high bar.
只有男人才能表演吊環(huán)，雙杠，高杠。

4、Pillars shall be supported on the double bottom floors or on the web frames on side shell plates.
柱子應支撐在雙層底或舷側的強結構上。

5、1. THz switch based on the double barrier RTS is studied.
1．研究了共振隧穿結的THz開關特性。

6、Her clothes spread out on the double bed.
她的衣服散亂地鋪滿了雙人床。

on the double翻譯